Answer
The tree is 12 feet in height.
Work Step by Step
Using a ruler to measure EF, which is 1 pace, we find that the distance from the person to the base of the tree is 12 paces. This means that EG is 12 paces. From step 4, we know that CG, which is the height of the tree, is 12 feet.
The tree is 12 feet in height.